Waste management systems in the context of sustainability

context of sustainability in selected municipalities. The author's
team aimed to find the key waste groups according to the
classification groups that have a major impact on the volume of
waste and the cost of the system, thus facilitating management
decision-making. In order to optimise the management of the entire
waste management system from the perspective of the statutory
municipality, it was first necessary to reduce the original list of 53
waste items to a significantly smaller number. With the help of
waste management experts, criteria for reducing the number of
waste input items were defined, resulting in a reduced statistical
sample of 27 items. Each item is quantified by the amount of waste
per year and the cost of the system per year. The mathematical
apparatus consisted primarily of calculating average values as well
as marginal slopes of waste quantity and cost. The interrelationships
between waste groups were graphically recorded in perceptual
maps. The individual analyses were carried out primarily for a
statutory city, with secondary comparisons of the results with
smaller towns and small villages. The analytical procedures verified
that the catalogue of basic components of mixed municipal waste
can be significantly reduced for decision-making in secondary
resource management. The amount of waste selected in each group
significantly impacts the cost of the whole waste management
system. Of the original 15 waste groups, only three groups appear to
be the main ones. The municipal waste group even has a decisive
influence on both the quantity of waste and the cost of the whole
system. Thanks to these findings, from the point of view of both the
manager and the management of the statutory city, it is possible to
focus on this core group, which contains the 13 original catalogue
items.